查询词典 cis-trans

In this paper, chiral molybdenum or tungsten 2'-pyridinyl alcoholate complex catalyzed asymmetric epoxidation of cis-1-propenylphosphonic acid in H2O was reported.

目前磷霉素的生产是通过以Na2WO4为催化剂、在乙醇中以30%的H2O2将顺丙烯膦酸环氧化得到消旋产物，再利用α-苯乙胺进行拆分而得到[2，3]。

We found that when acetone was used as solvent, in the presence of TFA, cis-4-pyrrodin-1-yl-L-proline could catalyze the direct asymmetric aldol reaction between acetone and 4-nitrobenzaldehyde with 84% ee.

研究发现，该催化剂以丙酮为溶剂时，加入催化剂等当量的三氟乙酸可以较好的催化丙酮与对硝基苯甲醛之间的直接不对称Aldol反应，得到84%的ee值。

In 2002, an antiterrorist center was established in the CIS.

在2002年，反恐怖中心在俄罗斯建立。

As for the RF Armed Forces Antiterrorist Center creation, we believe that its functions should be somewhat wider than those of the CIS ATC.

关于俄罗斯反恐怖中心的建立，我们认为其功能应该比独联体反恐怖中心的功能更宽泛一些。

Boulder, February 27, 2008 – Emerson Process Management announces an agreement with Argosy Technologies, Ltd. to provide flowmeters used in upgrading AGZU "Sputnik" oil separator systems in Russia and the CIS.

Boulder 2月27日消息——艾默生过程管理宣布与Argosy 技术有限公司达成一项协议，提供用于升级俄罗斯和独联体国家AGZU "Sputnik"石油分离器系统的流量计。

In order to improve the reliability and quality of electricity ,this paper studying the algorithm to design the network and distribution transformer number or location based on load forecast base on CIS.The thesis conducts a research on the Geographic Information System and the GIS application on Electric power system .

配网改造优化规划的目的是首先进行负荷预测，在此基础上进行规划设计选择出最优的配变个数、位置和最优的布线结构以提高供电可靠性和电能质量，评判最优的标准为配电网线损最小。

Weak indications of this link could be found with comparable cis-compounds.

在相应的顺式化合物中能够发现这个键的微弱反映。

The common chemical constituents were juniper camphor,1,3,3-trimethylcyclohex-1-ene-4-carboxaldehyde,borneol,α-curcumene,α-bisabolol,cis-caryophyllene,benzyl benzoate,methyl β,β-dimethylbenzenepropanoic acid ester,2,4-decadienal and heneicosane in the essential oil of the five cultivars' Hangjuhua.Among them,juniper camphor is most which were composed of 11.96%,10.51%,10.95%,13.28% and 10.77% of the total essential oil,and methyl β,β-dimethylbenzenepropanoic acid ester is second,which were composed of 1.51%,1.86%,2.52%,4.89% and 2.51% of the total essential oil,respectively.

5种栽培类型杭菊花挥发油中共有成分为1，3，3-三甲基环己-1-烯-4-甲醛、冰片、α-姜黄烯、α-甜没药萜醇、顺式石竹烯、桧脑、安息香酸苄酯、β，β-二甲基苯丙酸甲酯、2，4-癸二烯醛和二十一烷；其中桧脑含量最高，分别占挥发油总量的11.96%，10.51%，10.95%，13.28%和10.77%，为5种栽培类型杭菊花挥发油中最具特征的成分；其次是β，β-二甲基苯丙酸甲酯，分别占挥发油总量的1.51%，1.86%，2.52%，4.89%和2.51%。

Several groups of cis-acting elements are among the best characterized in the context of abiotic and biotic defense mechanisms.

参与环境胁迫的基因启动子部分的顺式作用元件得到广泛的研究，很多种类的顺式作用元件参与环境胁迫因子的应答。

A further improvement of blister copper production technology is associated with production of white metal in autogenous smelting furnaces,continuous converting of high-grade copper mattes and generation of＜0.5% copper discard slage. copper concentrate ; autogenous smelting ; oxygen flame smelting ; Vanyukov smelting ; smelting in a stationary unit with top blowing ; smelting in a tilting furnace ; Russian ; CIS ; development

俄罗斯、哈萨克斯坦、乌兹别克斯坦均对自热熔炼工艺进行了改进，按照商业化的时间顺序分别为：氧焰熔炼、鼓泡熔池熔炼、固定式顶吹装置熔炼及类似于卧式转炉的可倾炉熔炼。1试验结果和探讨Ll权焰熔炼工艺氧焰熔炼工艺于1974年在乌兹别克斯坦阿尔马累克矿

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。